from PIL import Image

def remove_background(input_path, output_path):
    """Remove background and make it transparent"""
    img = Image.open(input_path).convert("RGBA")
    datas = img.getdata()
    
    # Get background color from corner pixel
    bg_color = datas[0][:3]  # RGB from top-left
    
    # Create new data with transparent background
    new_data = []
    tolerance = 50  # Color similarity tolerance
    
    for item in datas:
        # Check if pixel is similar to background
        r_diff = abs(item[0] - bg_color[0])
        g_diff = abs(item[1] - bg_color[1])
        b_diff = abs(item[2] - bg_color[2])
        
        if r_diff < tolerance and g_diff < tolerance and b_diff < tolerance:
            # Make background transparent
            new_data.append((item[0], item[1], item[2], 0))
        else:
            # Keep original pixel
            new_data.append(item)
    
    img.putdata(new_data)
    img.save(output_path)
    print(f"✅ Transparent: {output_path}")

# Process tiles
remove_background('c:/novafarma/assets/grass_tile.png', 'c:/novafarma/assets/grass_tile.png')
remove_background('c:/novafarma/assets/water_tile.png', 'c:/novafarma/assets/water_tile.png')

print("🎉 Tile backgrounds removed!")